When did Sulnox announce the Hong Kong patent?

Sulnox announced the patent on 22 April 2026. The announcement covers intellectual property focused on fuel oil reclamation and the treatment of hydrocarbon-rich industrial waste from ship operations.

What does Sulnox’s new Hong Kong patent protect?

The patent protects an improved oil/water separation, or “demulsification”, methodology developed by Sulnox. The methodology incorporates the company’s already patented Berol 6446 product.

What are ships’ slops and how does Sulnox’s technology relate to them?

Ships’ slops are hydrocarbon-rich industrial waste produced by activities including tank cleaning, fuel purification and the use of ballast water. Sulnox said its demulsification development could support the maritime industry in addressing this waste, which typically contains around 70% water alongside otherwise useful heavy fuel oil.

Why can traditional processes reduce the value of recovered heavy fuel oil from ships’ slops?

Traditional separation processes often require high heating temperatures and long separation times to remove water from oil by gravity. Sulnox said the recovered heavy fuel oil can still contain significant amounts of water, at 5% and above, reducing its value and usefulness.

Where had Sulnox previously received patents for its ships’ slops solution?

Sulnox said its ships’ slops solution was first recognised through patents in Nigeria and Eurasia during 2025. The company said this was followed by extensive approval in other markets.

What does Sulnox say about the wider demulsifier market?

The announcement says the global demulsifier market is estimated to grow from approximately US$2.5bn in 2025 to around US$3.3bn by 2032. Sulnox attributed this estimate to VMR and said demand spans marine, oil & gas and industrial applications.

How large does Sulnox estimate the ships’ slops market in Hong Kong to be?

Sulnox estimates that the ships’ slops market in Hong Kong is of the order of 100–150 million litres per year. The company linked this estimate to port activity, typical per-vessel oily residue generation benchmarks and local requirements for the collection, treatment and disposal of marine pollutants.

What regulations apply to marine oily waste in Hong Kong according to Sulnox?

Sulnox said the management of marine oily waste, including ships’ slops, is regulated by the Marine Department with oversight from the Environmental Protection Department. The announcement also referred to international conventions such as MARPOL in the context of requirements for handling marine pollutants.

How extensive is Sulnox’s patent protection across its product portfolio?

Sulnox said it has patent protection in over 100 markets across its product portfolio. The portfolio spans fuel conditioning and fuel oil reclamation, and the company said it continues to expand its intellectual property footprint globally.

What does Sulnox’s CEO say about the significance of the Hong Kong patent?

Sulnox CEO Ben Richardson said the second Hong Kong patent extends the company’s intellectual property in the Asian market and in fuel reclamation. He described it as supporting a sizeable revenue opportunity in the global maritime industry for addressing ships’ slops.

What further intellectual property announcements does Sulnox say it expects to make?

Ben Richardson said Sulnox looks forward to announcing several further patents for both emulsification and oil reclamation. He said the company is targeting new sectors and markets worldwide.

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Sulnox Secures Second Hong Kong Patent for Fuel Oil Reclamation

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Sulnox Group PLC

AQSE:SNOX
OTCQX:SNOXF

Sulnox Secures Second Hong Kong Patent for Fuel Oil Reclamation

Published Wednesday, 22 April 2026

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At a glance

Company: Sulnox Group PLC
Listings: AQSE:SNOX, OTCQX:SNOXF
Announcement type: Regulatory approval
Published: Wednesday, 22 April 2026
Source announcement: sulnoxgroup.com

Key figures
Measure	Figure
Patent protection	over 100 markets

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Announcement Summary

Sulnox announced that it has secured its second patent in Hong Kong. The patent protects an improved oil/water separation, or “demulsification,” methodology developed by Sulnox that incorporates its already patented Berol 6446 product.

Sulnox said the development could support maritime handling of ships’ slops, hydrocarbon-rich waste from operations including tank cleaning, fuel purification and ballast-water use. Slops typically contain around 70% water, while recovered heavy fuel oil can still contain 5% or more water after traditional separation. Sulnox’s slops solution received patents in Nigeria and Eurasia during 2025, and the company said it has patent protection in over 100 markets across its product portfolio. Sulnox said it expects to announce several further patents covering emulsification and oil reclamation as it targets new sectors and markets worldwide.

Investor FAQs

Sulnox announced that it had secured its second patent in Hong Kong. The patent covers an improved oil/water separation, or “demulsification”, methodology incorporating its already patented Berol 6446 product.

Source announcement

Company: Sulnox Group PLC
Title: Hong Kong Patent Granted for Fuel Oil Reclamation
Published: Wednesday, 22 April 2026
Source site: sulnoxgroup.com

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